| 项目 | 名称 | 组别(%) | 总计 | χ2 | P | ||
| CRVO | BRVO | 对照组 | |||||
| 性别 | 女 | 14 (46.67) | 15 (50.00) | 16 (53.33) | 45 (50.00) | 0.267 | 0.875 |
| 男 | 16 (53.33) | 15 (50.00) | 14 (46.67) | 45 (50.00) | |||
| 吸烟 | 否 | 24 (80.00) | 22 (73.33) | 21 (70.00) | 67 (74.44) | 0.818 | 0.664 |
| 是 | 6 (20.00) | 8 (26.67) | 9 (30.00) | 23 (25.56) | |||
| 饮酒 | 否 | 20 (66.67) | 23 (76.67) | 19 (63.33) | 62 (68.89) | 1.348 | 0.510 |
| 是 | 10 (33.33) | 7 (23.33) | 11 (36.67) | 28 (31.11) | |||
| 高血压 | 否 | 22 (73.33) | 23 (76.67) | 26 (86.67) | 71 (78.89) | 1.735 | 0.420 |
| 是 | 8 (26.67) | 7 (23.33) | 4 (13.33) | 19 (21.11) | |||
| 糖尿病 | 否 | 25 (83.33) | 25 (83.33) | 27 (90.00) | 77 (85.56) | 0.719 | 0.698 |
| 是 | 5 (16.67) | 5 (16.67) | 3 (10.00) | 13 (14.44) | |||